From: Marek Olšák <marek.ol...@amd.com>

Discovered by luck. This code path hasn't been exercised since transform
feedback was implemented.
---
 src/gallium/drivers/r600/r600_blit.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/gallium/drivers/r600/r600_blit.c 
b/src/gallium/drivers/r600/r600_blit.c
index aede840..90a1453 100644
--- a/src/gallium/drivers/r600/r600_blit.c
+++ b/src/gallium/drivers/r600/r600_blit.c
@@ -604,6 +604,7 @@ static void r600_clear_buffer(struct pipe_context *ctx, 
struct pipe_resource *ds
        } else {
                uint32_t *map = r600_buffer_map_sync_with_rings(&rctx->b, 
r600_resource(dst),
                                                                 
PIPE_TRANSFER_WRITE);
+               map += offset / 4;
                size /= 4;
                for (unsigned i = 0; i < size; i++)
                        *map++ = value;
-- 
2.1.4

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